公开(公告)号：US09648491B2

公开(公告)日：2017-05-09

申请号：US14183652

申请日：2014-02-19

Applicant: MediaTek Inc.

Inventor： Yu-Ting Chen ,  Yi-Ting Cheng ,  Pei-Shiuan Ho ,  Hsiao-Yun Tseng

IPC: H04M1/00 ,  H04W8/18 ,  H04W88/06 ,  H04W88/18

CPC classification number: H04W8/183 ,  H04W88/06 ,  H04W88/18

Abstract: A method of selecting an active SIM from multiple SIMs and a wireless device utilizing the same are disclosed. The method includes: acquiring SIM information associated with each SIM under a dynamic environment, wherein each SIM provides for the PS data service; calculating a SIM score of each SIM based on the acquired SIM information associated with each SIM; and selecting the active SIM based on all SIM scores to provide for the PS data service. The SIM information includes RSSI, RSCP, Ec/N0, CQI, and data speed on each SIM in the dynamic environment.